/Engine/Source/Runtime/Engine/Classes/Sound/SoundNodeGroupControl.h
Plays different sounds depending on the number of active sounds Any time a new sound is played, the first group that has an available slot will be chosen
class USoundNodeGroupControl : public [USoundNode](API\Runtime\Engine\Sound\USoundNode)
TArray< int32 >
GroupSizes
How many active sounds are allowed for each group